@import '~ant-design-vue/es/style/themes/index';
@import '~ant-design-vue/es/style/mixins/index';
@import '~ant-design-vue/es/checkbox/style/mixin';
@import './mixin';
@import './directory';

@tree-prefix-cls         : ~'@{ant-prefix}-tree';
@tree-showline-icon-color: @text-color-secondary;
@tree-node-padding       : 4px;

.antCheckboxFn(@checkbox-prefix-cls: ~'@{ant-prefix}-tree-checkbox');

.@{tree-prefix-cls} {

  /* see https://github.com/ant-design/ant-design/issues/16259 */
  &-checkbox-checked::after {
    position: absolute;
    top     : 16.67%;
    left    : 0;
    width   : 100%;
    height  : 66.67%;
  }

  .reset-component;

  margin : 0;
  padding: 0;

  ol,
  ul {
    margin    : 0;
    padding   : 0;
    list-style: none;
  }

  li {
    margin     : 0;
    padding    : @tree-node-padding 0;
    white-space: nowrap;
    list-style : none;
    outline    : 0;

    span[draggable],
    span[draggable='true'] {
      line-height      : @tree-title-height - 4px;
      border-top       : 2px transparent solid;
      border-bottom    : 2px transparent solid;
      user-select      : none;
      /* Required to make elements draggable in old WebKit */
      -khtml-user-drag : element;
      -webkit-user-drag: element;
    }

    &.drag-over {
      >span[draggable] {
        color           : white;
        background-color: @primary-color;
        opacity         : 0.8;
      }
    }

    &.drag-over-gap-top {
      >span[draggable] {
        border-top-color: @primary-color;
      }
    }

    &.drag-over-gap-bottom {
      >span[draggable] {
        border-bottom-color: @primary-color;
      }
    }

    &.filter-node {
      >span {
        color      : @highlight-color  !important;
        font-weight: 500 !important;
      }
    }

    // When node is loading
    &.@{tree-prefix-cls}-treenode-loading {
      span {
        &.@{tree-prefix-cls}-switcher {

          &.@{tree-prefix-cls}-switcher_open,
          &.@{tree-prefix-cls}-switcher_close {
            .@{tree-prefix-cls}-switcher-loading-icon {
              position : absolute;
              left     : 0;
              display  : inline-block;
              width    : 24px;
              height   : @tree-title-height;
              color    : @primary-color;
              font-size: 13px;
              transform: none;

              svg {
                position: absolute;
                top     : 0;
                right   : 0;
                bottom  : 0;
                left    : 0;
                margin  : auto;
              }
            }

            :root &::after {
              opacity: 0;
            }
          }
        }
      }
    }

    ul {
      margin : 0;
      padding: 0 0 0 @tree-child-padding;
    }

    .@{tree-prefix-cls}-node-content-wrapper {
      display        : inline-block;
      height         : @tree-title-height;
      margin         : 0;
      padding        : 0 5px;
      color          : @text-color;
      line-height    : @tree-title-height;
      text-decoration: none;
      vertical-align : top;
      border-radius  : @border-radius-sm;
      cursor         : pointer;
      transition     : all 0.3s;

      &:hover {
        background-color: @tree-node-hover-bg;
      }

      &.@{tree-prefix-cls}-node-selected {
        background-color: @tree-node-selected-bg;
      }
    }

    span {
      &.@{tree-prefix-cls}-checkbox {
        top    : initial;
        height : @tree-title-height;
        margin : 0 4px 0 2px;
        padding: ((@tree-title-height - 16px) / 2) 0;
      }

      &.@{tree-prefix-cls}-switcher,
      &.@{tree-prefix-cls}-iconEle {
        display       : inline-block;
        width         : 24px;
        height        : @tree-title-height;
        margin        : 0;
        line-height   : @tree-title-height;
        text-align    : center;
        vertical-align: top;
        border        : 0 none;
        outline       : none;
        cursor        : pointer;
      }

      &.@{tree-prefix-cls}-iconEle:empty {
        display: none;
      }

      &.@{tree-prefix-cls}-switcher {
        position: relative;

        &.@{tree-prefix-cls}-switcher-noop {
          cursor: default;
        }

        &.@{tree-prefix-cls}-switcher_open {
          .antTreeSwitcherIcon();
        }

        &.@{tree-prefix-cls}-switcher_close {
          .antTreeSwitcherIcon();

          .@{tree-prefix-cls}-switcher-icon {
            svg {
              transform: rotate(-90deg);
            }
          }
        }
      }
    }

    &:last-child>span {

      &.@{tree-prefix-cls}-switcher,
      &.@{tree-prefix-cls}-iconEle {
        &::before {
          display: none;
        }
      }
    }
  }

  >li {
    &:first-child {
      padding-top: 7px;
    }

    &:last-child {
      padding-bottom: 7px;
    }
  }

  &-child-tree {

    // https://github.com/ant-design/ant-design/issues/14958
    >li {

      // Provide additional padding between top child node and parent node
      &:first-child {
        padding-top: 2 * @tree-node-padding;
      }

      // Hide additional padding between last child node and next parent node
      &:last-child {
        padding-bottom: 0;
      }
    }
  }

  li&-treenode-disabled {

    >span:not(.@{tree-prefix-cls}-switcher),
    >.@{tree-prefix-cls}-node-content-wrapper,
    >.@{tree-prefix-cls}-node-content-wrapper span {
      color : @disabled-color;
      cursor: not-allowed;
    }

    >.@{tree-prefix-cls}-node-content-wrapper:hover {
      background: transparent;
    }
  }

  &-icon__open {
    margin-right  : 2px;
    vertical-align: top;
  }

  &-icon__close {
    margin-right  : 2px;
    vertical-align: top;
  }

  // Tree with line
  &&-show-line {
    li {
      position: relative;

      span {
        &.@{tree-prefix-cls}-switcher {
          color     : @tree-showline-icon-color;
          background: @component-background;

          &.@{tree-prefix-cls}-switcher-noop {
            .antTreeShowLineIcon('tree-doc-icon');
          }

          &.@{tree-prefix-cls}-switcher_open {
            .antTreeShowLineIcon('tree-showline-open-icon');
          }

          &.@{tree-prefix-cls}-switcher_close {
            .antTreeShowLineIcon('tree-showline-close-icon');
          }
        }
      }
    }

    li:not(:last-child)::before {
      position   : absolute;
      left       : 12px;
      width      : 1px;
      height     : 100%;
      height     : calc(100% - 22px); // Remove additional height if support
      margin     : 22px 0 0;
      border-left: 1px solid @border-color-base;
      content    : ' ';
    }
  }

  &.@{tree-prefix-cls}-icon-hide {
    .@{tree-prefix-cls}-treenode-loading {
      .@{tree-prefix-cls}-iconEle {
        display: none;
      }
    }
  }

  &.@{tree-prefix-cls}-block-node {
    li {
      .@{tree-prefix-cls}-node-content-wrapper {
        width: ~'calc(100% - 24px)';
      }

      span {
        &.@{tree-prefix-cls}-checkbox {
          +.@{tree-prefix-cls}-node-content-wrapper {
            width: ~'calc(100% - 46px)';
          }
        }
      }
    }
  }
}